If we look in a microscope how do we know something is a cell

Which non-foliated rock forms only in a zone of contact metamorphism

What determines the nature of the cell's work?

Is this statement true or false? Road maps show elevation on Earth's surface. A. True B. False

How should 0.0000497 be expressed in proper scientific notation?

Which of the following elements is not in the same catagory on the periodic table?

Explain how blood is prevented from flowering backwards in the heart

He phase of the cell cycle where dna replication, chromosome duplication and preparations for cell division occur is called

Why do you think phytoplankton are so important to all living things on earth?

The weakness of hydrogen bonds between the bases of DNA allows what?

Which statement is correct? The number of electrons of a neutral atom always equals the number of protons. The number of neutrons always equals the number of protons. The number of neutrons always equals the number of electrons.